Establishment of a central lung cancer specimen repository to serve as a resource for current and future scientific studies [ Time Frame: From date of study activation to consolidation of specimen banks ]

Correlation of clinicopathologic information in the Southwest Oncology Group clinical data base with results of studies using the repository [ Time Frame: From date of study activation to consolidation of specimen banks ]

Test of new hypotheses with the specimens in the repository [ Time Frame: From date of study activation to consolidation of specimen banks ]

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Please refer to this study by its ClinicalTrials.gov identifier: NCT00920010